OpenOffice.org 3 is the leading open-source office software suite for word processing, spreadsheets, presentations, graphics, databases and more. It is available in many languages and works on all common computers. It stores all your data in an international open standard format and can also read and write files from other common office software packages.

A very versatile 50MB mini desktop oriented Linux distribution. DSL has a nearly complete desktop, and many command line tools. All applications are chosen with functionality, size and speed in mind. Damn Small also has the ability to act as an SSH/FTP/HTTPD server right off of a live CD. In our quest to save space and have a fully functional desktop we've made many GUI administration tools which are fast yet still easy to use.

Cacti is a complete network graphing solution designed to harness the power of RRDTool's data storage and graphing functionality. Cacti provides a fast poller, advanced graph templating, multiple data acquisition methods, and user management features out of the box. All of this is wrapped in an intuitive, easy to use interface that makes sense for LAN-sized installations up to complex networks with hundreds of devices.

The Multi Router Traffic Grapher (MRTG) is a tool to monitor the traffic load on network links. MRTG generates HTML pages containing PNG images which provide a LIVE visual representation of this traffic.

Nagios is a powerful monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes.

It monitors your entire IT infrastructure to ensure systems, applications, services, and business processes are functioning properly. In the event of a failure, Nagios can alert technical staff of the problem, allowing them to begin remediation processes before outages affect business processes, end-users, or customers.

RRDtool is the OpenSource industry standard, high performance data logging and graphing system for time series data. RRDtool can be easily integrated in shell scripts, perl, python, ruby, lua or tcl applications.

Zabbix is software that monitors your servers and applications. Polling and trapping techniques are both supported. It has a simple, yet very flexible notification mechanism, and a Web interface that allows quick and easy administration. It can be used for logging, monitoring, capacity planning, availability and performance measurement, and providing the latest information to a helpdesk.

Nagiosgraph is an application to collect performance data from nagios plugins, insert the data into rrdtool database, and generate webpages with rrdtool graphs of the performance data. nagiosgraph is easy to configure, and ready to use for many nagios plugins.

TrueCrypt really is the best free encryption program around for anyone worried about their security. It offers 11 algorithms for encrypting your files, as well as a comprehensive help manual, which gives advice on complex password creation, hidden volumes and erasing encryption giveaways.

OpenStack Object Storage scalable redundant storage system where Objects and files are written to multiple disk drives spread throughout servers in the data center, with the OpenStack software responsible for ensuring data replication and integrity across the cluster